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25 results for “Bryconamericus”
Fig. 1 in Conserved number of U 2 snDNA sites in Piabina argentea, Piabarchus stramineus and two Bryconamericus species (Characidae, Stevardiinae)
Fig. 1. Sequential metaphases of the chromosomal locations of U2 snDNA and 5S rDNA clusters using two-color FISH in species of the genera Piabina, Piabarchus and Bryconamericus. The arrows indicate the fluorescent signals. Note that, in P. stramineus, the two repetitive DNA are located adjacently on the same pair. Scale bar = 10 µm.
Fig. 2 in Conserved number of U 2 snDNA sites in Piabina argentea, Piabarchus stramineus and two Bryconamericus species (Characidae, Stevardiinae)
Fig. 2. Scheme showing the number of U2 snDNA sites on the real pairs and ideograms in species of the genera Piabina, Piabarchus and Bryconamericus. Note the size heteromorphism of U2 snDNA clusters between homologous chromosomes in P. argentea.
Fig. 11. a. Bryconamericus exodon, 55.8 in Peixes da planície de inundação do alto rio Paraná e áreas adjacentes: revised, annotated and updated
Fig. 11. a. Bryconamericus exodon, 55.8 mm SL, fresh specimen, uncat. b. Bryconamericus aff. iheringii, NUP 824, 50.0 mm SL, rio São Vicente, Missal, State of Paraná. c. Bryconamericus turiuba, NUP 6170, 59.3 mm SL, rio Iguatemi, tributary of the rio Paraná, Coronel Sapucaia, State of Mato Grosso do Sul. d. Diapoma guarani, NUP 17635, 31.2 mm SL, Canal da Piracema, Foz do Iguaçu, State of Paraná. e. Knodus moenkhausii, NUP 3211, 48.0 mm SL, riacho Água Nanci, Porto Rico, State of Paraná. f. Piabarchus stramineus, NUP 3298, 70.0 mm SL, rio Paraná, Porto Rico, State of Paraná. g. Piabina argentea, 68.0 mm SL, uncat. h. Planaltina britskii, NUP 11802, 27.5 mm SL, lagoa Genipapo (ilha Porto Rico, Foz do Iguaçu, State of Paraná.
FIGURE 7 in A new species of Bryconamericus (Characidae: Stevardiinae) with breeding tubercles from the upper rio Paraná basin
FIGURE 7 | Lateral view of 'Bryconamericus' aff. iheringii from the upper rio Paraná. A. NUP 16083, 55.9 mm SL, male, rio das Antas, rio Branco do Ivaí, 24°12'36"S 51°22'15"W, Paraná State, Brazil; B. NUP 16083, 54.6 mm SL, female; C. NUP 1441, 24.8 mm SL, rio Abelha, 23°36'01"S 52°27'30"W, Jussara, Paraná State, Brazil.
FIGURE 6 in A new species of Bryconamericus (Characidae: Stevardiinae) with breeding tubercles from the upper rio Paraná basin
FIGURE 6 | Sampling sites of Bryconamericus misei. A. Type-locality. B. Another unnamed stream, tributary to the rio Capivara, rio Piquiri basin. C. Rio Laranjeiras, a tributary to the rio Formoso, rio Ivaí basin.
FIGURE 1 in A new species of Bryconamericus (Characidae: Stevardiinae) with breeding tubercles from the upper rio Paraná basin
FIGURE 1 | Bryconamericus misei. A. NUP 24255, holotype, 54.8 mm SL, male, unnamed stream, tributary to the rio Capivara, rio Piquiri basin, Campina do Simão, Paraná State, Brazil; B. NUP 24149, paratype, 54.9 mm SL, female. C. NUP 24155, paratype, 26.4 mm SL.
FIGURE 3 in A new species of Bryconamericus (Characidae: Stevardiinae) with breeding tubercles from the upper rio Paraná basin
FIGURE 3 | Head shape and sexual dimorphism in Bryconamericus misei. A. NUP 24150, holotype, 54.8 mm SL. Male with breeding tubercles on dorsal and lateral portions of the head and posterior margin of the scales. B. NUP 24149, paratype, 54.9 mm SL. Female without tubercles.
FIGURE 5 in A new species of Bryconamericus (Characidae: Stevardiinae) with breeding tubercles from the upper rio Paraná basin
FIGURE 5 | Geographic distribution of Bryconamericus misei (red marks). The star represents the type-locality. The red rectangle on detail indicates the position of the map in relation to Brazilian borders.
FIGURE 2 in A new species of Bryconamericus (Characidae: Stevardiinae) with breeding tubercles from the upper rio Paraná basin
FIGURE 2 | Left jaws of Bryconamericus misei, NUP 24155, paratype, 44.7 mm SL. A. Maxilla. B. Premaxilla in anterior view. C. Ventral view of premaxilla. D. Dentary in lateral view.
FIGURE 4 in A new species of Bryconamericus (Characidae: Stevardiinae) with breeding tubercles from the upper rio Paraná basin
FIGURE 4 | Sexual dimorphism in Bryconamericus misei. A. In males, the distal margin of the anal-fin is straight. B. In females, the distal margin of the anal-fin is slightly concave. C. In males, the pelvicfin reaches distinctly past the urogenital opening. D. In females, the pelvic-fin reached at most the urogenital opening. A, C. NUP 24150, holotype, 54.8 mm SL. B, D. NUP 24149, paratype, 54.9 mm SL.
Fig. 12. Bryconamericus iheringii, USNM 285884 in Putative relationships among inseminating and externally fertilizing characids, with a description of a new genus and species of Brazilian inseminating fish bearing an anal-fin gland in males (Characiformes: Characidae)
Fig. 12. Bryconamericus iheringii, USNM 285884. Non-inseminating species. Caudal-fin squamation. Male, SL 53.2 mm, lateral view left side, portraying scales confined to caudal-fin base. Brazil: Rio Grande do Sul, Arroio Garupá, tributary to rio Quaraí, tributary of rio Uruguay. Road: Uruguaiana-Quaraí, locality between Uruguaiana and Quaraí.
FIGURE 3 in New species of Bryconamericus Eigenmann (Characiformes: Characidae) from the rio Teles Pires, rio Tapajós basin, central Brazil
FIGURE 3. (a) Strict consensus topology of 198 most parsimonious trees with 169 steps resulted from the analysis of Vari & Harold (2001); (b) Strict consensus topology of 377.568 most parsimonious trees with 2596 steps resulted from the analysis of Mirande et al. (2013).
FIGURE 1 in New species of Bryconamericus Eigenmann (Characiformes: Characidae) from the rio Teles Pires, rio Tapajós basin, central Brazil
FIGURE 1. Bryconamericus pinnavittatus, all from Brazil, Pará, Jacareacanga, rio Teles Pires, rio Tapajós basin, (a) holotype, MZUSP 115349, 27.4 mm SL and (b) paratype, MZUSP 99943, 24.9 mm SL.
FIGURE 2 in New species of Bryconamericus Eigenmann (Characiformes: Characidae) from the rio Teles Pires, rio Tapajós basin, central Brazil
FIGURE 2. Type locality of Bryconamericus pinnavittatus in rio Teles Pires, rio Tapajós basin, Brazil. Red dot represents the holotype and the other collection events.
FIGURE 3 in Deciphering a hundred-year-old puzzle: the type series of Bryconamericus exodon (Characiformes: Characidae)
FIGURE 3. Type specimens of Bryconamericus exodon, A) Holotype, MCZ 29909, 39.4 mm SL, B) Paratype, MCZ 174232 32.9 mm SL, erroneusly catalogued with the holotype and still listed in CAS 39565, both from Puerto Max; C) Paratype, BMNH 1909.6.15.11, 20.0 mm SL, collected in Assunción.
FIGURE 2 in Deciphering a hundred-year-old puzzle: the type series of Bryconamericus exodon (Characiformes: Characidae)
FIGURE 2. Original labels associated to MCZ 29909, middle left with Carl Eigenmann's handwriting specifically stating "Send to Harvard"; Bottom right stating "29909 (2sp) Cotypes/Bryconamericus exodon/Puerto Max on the Paraguay, Eigenmann/Indiana University".
Fig. 2. Karyotypes arranged from C-banded chromosomes. a in Cytogenetic markers as tools in delimiting species of the highly diverse Neotropical fish Bryconamericus (Characiformes: Characidae)
Fig. 2. Karyotypes arranged from C-banded chromosomes. a. Bryconamericus aff. iheringii (Ijuí River, pattern II); b. B. aff. iheringii (Iguaçu River); c. B. coeruleus (pattern II); d. B. cf. ecai; e. B. cf. eigenmanni. Scales bar = 10 μm.
Fig. 1 in Cytogenetic markers as tools in delimiting species of the highly diverse Neotropical fish Bryconamericus (Characiformes: Characidae)
Fig. 1. Karyotypes arranged from Giemsa-stained chromosomes. Pairs of the AgNORs are in the boxes. a. Bryconamericus aff. iheringii (Ijuí River) - box I: pattern I; box II: pattern II; b. B. aff. iheringii (Iguaçu River); c. B. coeruleus - box I: pattern I; box II: pattern II; box III: pattern III; d. B. cf. ecai; e. B. cf. eigenmanni. Scales bar = 10 μm.
Fig. 3. Karyotypes after FISH with 5S in Cytogenetic markers as tools in delimiting species of the highly diverse Neotropical fish Bryconamericus (Characiformes: Characidae)
Fig. 3. Karyotypes after FISH with 5S rDNA probes (red) and 18S rDNA probe (green). In the boxes, the intra-population variations that represent distinct patterns of localization of ribosomal genes. a. Bryconamericus aff. iheringii (Ijuí River, pattern II) - box I: pattern I; b. B. aff. iheringii (Iguaçu River); c. B. coeruleus (pattern II) - box I: pattern I; box III: pattern III; d. B. cf. ecai; e. B. cf. eigenmanni. Scales bar = 10 μm.
Fig. 4 in Cytogenetic markers as tools in delimiting species of the highly diverse Neotropical fish Bryconamericus (Characiformes: Characidae)
Fig. 4. Idiogram comparing the cytogenetic characteristics of the four Bryconamericus species. a B. aff. iheringii (Ijuí River): patterns I and II; b B. aff. iheringii (Iguaçu River); c B. coeruleus: patterns I, II and II; d B. cf. ecai; e B. cf. eigenmanni.
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